C161PILMCAFXUMA1

Overview

The C161PILMCAFXUMA1 is a 16-bit microcontroller from the Infineon C166 family, specifically the C16xx series. It features a ROMless program memory architecture and includes 3K x 8 bytes of RAM. The device operates at a maximum clock speed of 20 MHz with an internal oscillator. It provides 76 I/O lines and integrates four 10-bit analog-to-digital converters. Connectivity options include EBI/EMI, I2C, SPI, and UART/USART interfaces. Power peripherals consist of POR, PWM, and WDT. The unit supports a supply voltage range of 4.5V to 5.5V and functions within a temperature range of -40°C to 85°C. It is housed in a 100-pin PG-TQFP package.

Feature Summary

• ROMless architecture allowing for flexible external code storage
• Integrated 10-bit A/D conversion capabilities
• Support for multiple serial communication protocols

Applications

• Embedded control systems
• Industrial automation
• Motor control applications

Procurement Notes

Verify component authenticity through official Infineon channels or authorized distributors. Confirm the specific suffix FXUMA1 matches required packaging and compliance specifications. Check current lifecycle status as legacy components may have limited availability. Ensure environmental certifications align with project requirements before finalizing procurement orders.

Selection Notes

Select this model when a 16-bit C166 core is required without on-chip program memory. Consider the 100-pin TQFP package constraints for PCB layout. Evaluate the 20 MHz performance against system timing needs. Verify that the available I/O count and peripheral set meet interface requirements.

Part Context

This component belongs to the C16xx sub-series of the broader C166 microcontroller family. These devices are designed for high-performance embedded applications requiring robust processing capabilities. The C161 variant represents a specific configuration within this lineage, focusing on cost-effective solutions for industrial and automotive sectors.

Replacement Considerations

Consult official Infineon documentation for verified cross-references. No direct substitute part numbers are confirmed in the provided data. Legacy status requires careful evaluation of long-term supply chain stability.